/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:09:19,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:09:19,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:09:19,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:09:19,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:09:19,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:09:19,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:09:19,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:09:19,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:09:19,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:09:19,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:09:19,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:09:19,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:09:19,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:09:19,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:09:19,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:09:19,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:09:19,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:09:19,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:09:19,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:09:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:09:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:09:19,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:09:19,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:09:19,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:09:19,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:09:19,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:09:19,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:09:19,683 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:09:19,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:09:19,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:09:19,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:09:19,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:09:19,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:09:19,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:09:19,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:09:19,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:09:19,743 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:09:19,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:09:19,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:09:19,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:09:19,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:09:19,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:09:19,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:09:19,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:09:19,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:09:19,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:09:19,746 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:09:19,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:09:19,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:09:19,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:09:19,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:09:19,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:09:19,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:09:19,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:09:19,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:19,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:09:19,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:09:19,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:09:19,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:09:19,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:09:19,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:09:19,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:09:20,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:09:20,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:09:20,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:09:20,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:09:20,166 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:09:20,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:09:20,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d373e1c0/b358dfd5b2d74647988c99fa9742ef2f/FLAGf1a36eeec [2022-10-15 22:09:21,096 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:09:21,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:09:21,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d373e1c0/b358dfd5b2d74647988c99fa9742ef2f/FLAGf1a36eeec [2022-10-15 22:09:21,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d373e1c0/b358dfd5b2d74647988c99fa9742ef2f [2022-10-15 22:09:21,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:09:21,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:09:21,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:21,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:09:21,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:09:21,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:21" (1/1) ... [2022-10-15 22:09:21,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b69667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:21, skipping insertion in model container [2022-10-15 22:09:21,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:21" (1/1) ... [2022-10-15 22:09:21,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:09:21,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:09:21,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2022-10-15 22:09:21,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2022-10-15 22:09:21,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2022-10-15 22:09:21,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2022-10-15 22:09:21,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:21,972 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:09:22,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2022-10-15 22:09:22,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2022-10-15 22:09:22,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2022-10-15 22:09:22,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2022-10-15 22:09:22,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:22,274 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:09:22,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22 WrapperNode [2022-10-15 22:09:22,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:22,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:22,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:09:22,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:09:22,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,535 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2660 [2022-10-15 22:09:22,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:22,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:09:22,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:09:22,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:09:22,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:09:22,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:09:22,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:09:22,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:09:22,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (1/1) ... [2022-10-15 22:09:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:09:22,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:09:22,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:09:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:09:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:09:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:09:22,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:09:23,106 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:09:23,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:09:25,036 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:09:25,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:09:25,053 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:09:25,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:25 BoogieIcfgContainer [2022-10-15 22:09:25,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:09:25,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:09:25,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:09:25,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:09:25,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:09:21" (1/3) ... [2022-10-15 22:09:25,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c860bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:25, skipping insertion in model container [2022-10-15 22:09:25,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:22" (2/3) ... [2022-10-15 22:09:25,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c860bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:09:25, skipping insertion in model container [2022-10-15 22:09:25,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:09:25" (3/3) ... [2022-10-15 22:09:25,066 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:09:25,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:09:25,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 242 error locations. [2022-10-15 22:09:25,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:09:25,178 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65121195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:09:25,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 242 error locations. [2022-10-15 22:09:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 930 states, 687 states have (on average 1.9039301310043668) internal successors, (1308), 929 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:09:25,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:25,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:09:25,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:25,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:25,217 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:09:25,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:25,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453884768] [2022-10-15 22:09:25,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:25,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:25,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453884768] [2022-10-15 22:09:25,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453884768] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:25,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:25,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:09:25,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824331598] [2022-10-15 22:09:25,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:25,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:09:25,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:25,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:09:25,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:09:25,563 INFO L87 Difference]: Start difference. First operand has 930 states, 687 states have (on average 1.9039301310043668) internal successors, (1308), 929 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:25,652 INFO L93 Difference]: Finished difference Result 933 states and 1310 transitions. [2022-10-15 22:09:25,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:09:25,654 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 22:09:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:25,680 INFO L225 Difference]: With dead ends: 933 [2022-10-15 22:09:25,680 INFO L226 Difference]: Without dead ends: 911 [2022-10-15 22:09:25,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:09:25,689 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:25,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2022-10-15 22:09:25,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2022-10-15 22:09:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 679 states have (on average 1.544918998527246) internal successors, (1049), 910 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1049 transitions. [2022-10-15 22:09:25,799 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1049 transitions. Word has length 4 [2022-10-15 22:09:25,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:25,799 INFO L495 AbstractCegarLoop]: Abstraction has 911 states and 1049 transitions. [2022-10-15 22:09:25,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1049 transitions. [2022-10-15 22:09:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 22:09:25,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:25,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:25,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:09:25,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr166ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:25,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:25,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1345759424, now seen corresponding path program 1 times [2022-10-15 22:09:25,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:25,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493623820] [2022-10-15 22:09:25,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:25,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:26,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:26,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493623820] [2022-10-15 22:09:26,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493623820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:26,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:26,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:26,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363263398] [2022-10-15 22:09:26,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:26,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:26,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:26,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:26,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:26,159 INFO L87 Difference]: Start difference. First operand 911 states and 1049 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:26,887 INFO L93 Difference]: Finished difference Result 1109 states and 1347 transitions. [2022-10-15 22:09:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:26,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-10-15 22:09:26,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:26,898 INFO L225 Difference]: With dead ends: 1109 [2022-10-15 22:09:26,898 INFO L226 Difference]: Without dead ends: 1057 [2022-10-15 22:09:26,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:26,902 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 1924 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:26,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 1077 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:09:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-10-15 22:09:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 953. [2022-10-15 22:09:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 771 states have (on average 1.4863813229571985) internal successors, (1146), 952 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1146 transitions. [2022-10-15 22:09:26,967 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1146 transitions. Word has length 34 [2022-10-15 22:09:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:26,968 INFO L495 AbstractCegarLoop]: Abstraction has 953 states and 1146 transitions. [2022-10-15 22:09:26,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1146 transitions. [2022-10-15 22:09:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 22:09:26,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:26,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:26,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:09:26,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr167ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:26,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1231128970, now seen corresponding path program 1 times [2022-10-15 22:09:26,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:26,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620576336] [2022-10-15 22:09:26,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:26,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:27,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:27,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620576336] [2022-10-15 22:09:27,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620576336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:27,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:27,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:27,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646035043] [2022-10-15 22:09:27,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:27,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:27,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:27,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:27,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:27,154 INFO L87 Difference]: Start difference. First operand 953 states and 1146 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:27,690 INFO L93 Difference]: Finished difference Result 1051 states and 1295 transitions. [2022-10-15 22:09:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:27,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-10-15 22:09:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:27,696 INFO L225 Difference]: With dead ends: 1051 [2022-10-15 22:09:27,696 INFO L226 Difference]: Without dead ends: 995 [2022-10-15 22:09:27,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:27,700 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 1934 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:27,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 697 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:27,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-10-15 22:09:27,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 991. [2022-10-15 22:09:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 863 states have (on average 1.4333719582850522) internal successors, (1237), 990 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1237 transitions. [2022-10-15 22:09:27,744 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1237 transitions. Word has length 35 [2022-10-15 22:09:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:27,745 INFO L495 AbstractCegarLoop]: Abstraction has 991 states and 1237 transitions. [2022-10-15 22:09:27,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1237 transitions. [2022-10-15 22:09:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:09:27,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:27,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:27,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:09:27,748 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr168ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:27,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:27,749 INFO L85 PathProgramCache]: Analyzing trace with hash 489709442, now seen corresponding path program 1 times [2022-10-15 22:09:27,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:27,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906243071] [2022-10-15 22:09:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:27,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:27,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:27,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906243071] [2022-10-15 22:09:27,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906243071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:27,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:27,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:27,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066980500] [2022-10-15 22:09:27,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:27,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:27,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:27,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:27,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:27,938 INFO L87 Difference]: Start difference. First operand 991 states and 1237 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:28,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:28,585 INFO L93 Difference]: Finished difference Result 1385 states and 1838 transitions. [2022-10-15 22:09:28,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:09:28,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-15 22:09:28,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:28,592 INFO L225 Difference]: With dead ends: 1385 [2022-10-15 22:09:28,592 INFO L226 Difference]: Without dead ends: 1115 [2022-10-15 22:09:28,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:09:28,595 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 2613 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2613 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:28,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2613 Valid, 1515 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:28,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-10-15 22:09:28,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1034. [2022-10-15 22:09:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 955 states have (on average 1.3916230366492146) internal successors, (1329), 1033 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1329 transitions. [2022-10-15 22:09:28,645 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1329 transitions. Word has length 36 [2022-10-15 22:09:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:28,645 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1329 transitions. [2022-10-15 22:09:28,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1329 transitions. [2022-10-15 22:09:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:09:28,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:28,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:28,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:09:28,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:28,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:28,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1998874632, now seen corresponding path program 1 times [2022-10-15 22:09:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:28,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718180487] [2022-10-15 22:09:28,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:28,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:28,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:28,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718180487] [2022-10-15 22:09:28,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718180487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:28,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:28,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:28,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816149824] [2022-10-15 22:09:28,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:28,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:28,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:28,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:28,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:28,760 INFO L87 Difference]: Start difference. First operand 1034 states and 1329 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:29,328 INFO L93 Difference]: Finished difference Result 1186 states and 1559 transitions. [2022-10-15 22:09:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:09:29,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-15 22:09:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:29,335 INFO L225 Difference]: With dead ends: 1186 [2022-10-15 22:09:29,335 INFO L226 Difference]: Without dead ends: 1131 [2022-10-15 22:09:29,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:09:29,338 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 2734 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:29,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 1065 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:29,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-10-15 22:09:29,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1123. [2022-10-15 22:09:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1096 states have (on average 1.3667883211678833) internal successors, (1498), 1122 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1498 transitions. [2022-10-15 22:09:29,398 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1498 transitions. Word has length 37 [2022-10-15 22:09:29,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:29,399 INFO L495 AbstractCegarLoop]: Abstraction has 1123 states and 1498 transitions. [2022-10-15 22:09:29,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1498 transitions. [2022-10-15 22:09:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:09:29,402 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:29,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:29,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:09:29,402 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:29,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:29,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1036793069, now seen corresponding path program 1 times [2022-10-15 22:09:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:29,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579299434] [2022-10-15 22:09:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:29,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:29,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579299434] [2022-10-15 22:09:29,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579299434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:29,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:29,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:29,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252364373] [2022-10-15 22:09:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:29,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:29,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:29,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:29,569 INFO L87 Difference]: Start difference. First operand 1123 states and 1498 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:30,070 INFO L93 Difference]: Finished difference Result 1276 states and 1729 transitions. [2022-10-15 22:09:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:30,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-15 22:09:30,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:30,079 INFO L225 Difference]: With dead ends: 1276 [2022-10-15 22:09:30,079 INFO L226 Difference]: Without dead ends: 1272 [2022-10-15 22:09:30,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:30,081 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 877 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:30,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1415 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-10-15 22:09:30,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1264. [2022-10-15 22:09:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1239 states have (on average 1.390637610976594) internal successors, (1723), 1263 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1723 transitions. [2022-10-15 22:09:30,164 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1723 transitions. Word has length 56 [2022-10-15 22:09:30,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:30,165 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1723 transitions. [2022-10-15 22:09:30,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1723 transitions. [2022-10-15 22:09:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:09:30,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:30,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:30,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:09:30,169 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:30,169 INFO L85 PathProgramCache]: Analyzing trace with hash -73230447, now seen corresponding path program 1 times [2022-10-15 22:09:30,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:30,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265120173] [2022-10-15 22:09:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:30,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:30,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265120173] [2022-10-15 22:09:30,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265120173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:30,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:30,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827716016] [2022-10-15 22:09:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:30,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:30,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:30,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:30,270 INFO L87 Difference]: Start difference. First operand 1264 states and 1723 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:30,437 INFO L93 Difference]: Finished difference Result 2638 states and 3801 transitions. [2022-10-15 22:09:30,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:30,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-15 22:09:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:30,449 INFO L225 Difference]: With dead ends: 2638 [2022-10-15 22:09:30,449 INFO L226 Difference]: Without dead ends: 1880 [2022-10-15 22:09:30,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:30,453 INFO L413 NwaCegarLoop]: 873 mSDtfsCounter, 453 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:30,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1431 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-10-15 22:09:30,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1861. [2022-10-15 22:09:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1836 states have (on average 1.4335511982570806) internal successors, (2632), 1860 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2632 transitions. [2022-10-15 22:09:30,628 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2632 transitions. Word has length 56 [2022-10-15 22:09:30,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:30,628 INFO L495 AbstractCegarLoop]: Abstraction has 1861 states and 2632 transitions. [2022-10-15 22:09:30,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2632 transitions. [2022-10-15 22:09:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:09:30,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:30,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:30,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:09:30,631 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:30,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:30,632 INFO L85 PathProgramCache]: Analyzing trace with hash 882652708, now seen corresponding path program 1 times [2022-10-15 22:09:30,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:30,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093352472] [2022-10-15 22:09:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:30,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:30,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093352472] [2022-10-15 22:09:30,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093352472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:30,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:30,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:30,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055119805] [2022-10-15 22:09:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:30,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:30,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:30,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:30,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:30,749 INFO L87 Difference]: Start difference. First operand 1861 states and 2632 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:31,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:31,298 INFO L93 Difference]: Finished difference Result 2131 states and 3044 transitions. [2022-10-15 22:09:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:31,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-15 22:09:31,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:31,310 INFO L225 Difference]: With dead ends: 2131 [2022-10-15 22:09:31,311 INFO L226 Difference]: Without dead ends: 2127 [2022-10-15 22:09:31,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:31,313 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 858 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:31,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 1441 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2022-10-15 22:09:31,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2121. [2022-10-15 22:09:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 2098 states have (on average 1.446139180171592) internal successors, (3034), 2120 states have internal predecessors, (3034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3034 transitions. [2022-10-15 22:09:31,472 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3034 transitions. Word has length 56 [2022-10-15 22:09:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:31,472 INFO L495 AbstractCegarLoop]: Abstraction has 2121 states and 3034 transitions. [2022-10-15 22:09:31,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3034 transitions. [2022-10-15 22:09:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:09:31,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:31,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:31,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:09:31,476 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:31,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:31,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2075813331, now seen corresponding path program 1 times [2022-10-15 22:09:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:31,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764800630] [2022-10-15 22:09:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:31,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:31,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:31,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764800630] [2022-10-15 22:09:31,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764800630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:31,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:31,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:31,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884757781] [2022-10-15 22:09:31,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:31,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:31,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:31,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:31,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:31,599 INFO L87 Difference]: Start difference. First operand 2121 states and 3034 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:32,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:32,141 INFO L93 Difference]: Finished difference Result 2125 states and 3034 transitions. [2022-10-15 22:09:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:32,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-15 22:09:32,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:32,152 INFO L225 Difference]: With dead ends: 2125 [2022-10-15 22:09:32,153 INFO L226 Difference]: Without dead ends: 2121 [2022-10-15 22:09:32,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:32,154 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 924 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:32,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1124 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:32,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-10-15 22:09:32,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2117. [2022-10-15 22:09:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 2098 states have (on average 1.4370829361296473) internal successors, (3015), 2116 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3015 transitions. [2022-10-15 22:09:32,320 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3015 transitions. Word has length 57 [2022-10-15 22:09:32,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:32,321 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 3015 transitions. [2022-10-15 22:09:32,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3015 transitions. [2022-10-15 22:09:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:09:32,323 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:32,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:32,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:09:32,324 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash 74296917, now seen corresponding path program 1 times [2022-10-15 22:09:32,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:32,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399097967] [2022-10-15 22:09:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:32,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:32,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:32,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399097967] [2022-10-15 22:09:32,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399097967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:32,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:32,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:32,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263216915] [2022-10-15 22:09:32,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:32,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:32,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:32,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:32,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:32,453 INFO L87 Difference]: Start difference. First operand 2117 states and 3015 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:33,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:33,053 INFO L93 Difference]: Finished difference Result 3179 states and 4649 transitions. [2022-10-15 22:09:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:33,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:09:33,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:33,066 INFO L225 Difference]: With dead ends: 3179 [2022-10-15 22:09:33,066 INFO L226 Difference]: Without dead ends: 2386 [2022-10-15 22:09:33,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:09:33,069 INFO L413 NwaCegarLoop]: 719 mSDtfsCounter, 1779 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:33,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 1548 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2022-10-15 22:09:33,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2380. [2022-10-15 22:09:33,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2380 states, 2362 states have (on average 1.4424216765453006) internal successors, (3407), 2379 states have internal predecessors, (3407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3407 transitions. [2022-10-15 22:09:33,234 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3407 transitions. Word has length 58 [2022-10-15 22:09:33,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:33,235 INFO L495 AbstractCegarLoop]: Abstraction has 2380 states and 3407 transitions. [2022-10-15 22:09:33,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3407 transitions. [2022-10-15 22:09:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:09:33,237 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:33,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:33,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:09:33,238 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:33,238 INFO L85 PathProgramCache]: Analyzing trace with hash 806314323, now seen corresponding path program 1 times [2022-10-15 22:09:33,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:33,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465792749] [2022-10-15 22:09:33,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:33,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:33,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:33,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465792749] [2022-10-15 22:09:33,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465792749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:33,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:33,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:33,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661705253] [2022-10-15 22:09:33,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:33,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:33,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:33,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:33,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:33,395 INFO L87 Difference]: Start difference. First operand 2380 states and 3407 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:34,047 INFO L93 Difference]: Finished difference Result 3569 states and 5239 transitions. [2022-10-15 22:09:34,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:34,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:09:34,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:34,060 INFO L225 Difference]: With dead ends: 3569 [2022-10-15 22:09:34,061 INFO L226 Difference]: Without dead ends: 2383 [2022-10-15 22:09:34,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:09:34,064 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 1720 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:34,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 1659 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2022-10-15 22:09:34,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2379. [2022-10-15 22:09:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2362 states have (on average 1.439034716342083) internal successors, (3399), 2378 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 3399 transitions. [2022-10-15 22:09:34,232 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 3399 transitions. Word has length 58 [2022-10-15 22:09:34,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:34,232 INFO L495 AbstractCegarLoop]: Abstraction has 2379 states and 3399 transitions. [2022-10-15 22:09:34,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 3399 transitions. [2022-10-15 22:09:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:09:34,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:34,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:34,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:09:34,236 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:34,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:34,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1550070577, now seen corresponding path program 1 times [2022-10-15 22:09:34,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:34,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687361387] [2022-10-15 22:09:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:34,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:34,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:34,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687361387] [2022-10-15 22:09:34,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687361387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:34,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:34,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:34,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201542748] [2022-10-15 22:09:34,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:34,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:34,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:34,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:34,352 INFO L87 Difference]: Start difference. First operand 2379 states and 3399 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:34,800 INFO L93 Difference]: Finished difference Result 2651 states and 3811 transitions. [2022-10-15 22:09:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:34,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:09:34,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:34,816 INFO L225 Difference]: With dead ends: 2651 [2022-10-15 22:09:34,817 INFO L226 Difference]: Without dead ends: 2647 [2022-10-15 22:09:34,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:34,822 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 360 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:34,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1600 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2022-10-15 22:09:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2377. [2022-10-15 22:09:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 2362 states have (on average 1.4348010160880609) internal successors, (3389), 2376 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3389 transitions. [2022-10-15 22:09:34,984 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3389 transitions. Word has length 58 [2022-10-15 22:09:34,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:34,984 INFO L495 AbstractCegarLoop]: Abstraction has 2377 states and 3389 transitions. [2022-10-15 22:09:34,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3389 transitions. [2022-10-15 22:09:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:09:34,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:34,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:34,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:09:34,987 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:34,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2120715462, now seen corresponding path program 1 times [2022-10-15 22:09:34,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:34,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878124993] [2022-10-15 22:09:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:35,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:35,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878124993] [2022-10-15 22:09:35,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878124993] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:35,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:35,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:35,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681839977] [2022-10-15 22:09:35,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:35,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:35,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:35,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:35,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:35,108 INFO L87 Difference]: Start difference. First operand 2377 states and 3389 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:35,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:35,736 INFO L93 Difference]: Finished difference Result 3699 states and 5417 transitions. [2022-10-15 22:09:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:35,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:09:35,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:35,750 INFO L225 Difference]: With dead ends: 3699 [2022-10-15 22:09:35,751 INFO L226 Difference]: Without dead ends: 2644 [2022-10-15 22:09:35,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:09:35,754 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 1725 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:35,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 1730 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2022-10-15 22:09:35,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2638. [2022-10-15 22:09:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2624 states have (on average 1.4405487804878048) internal successors, (3780), 2637 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3780 transitions. [2022-10-15 22:09:35,956 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3780 transitions. Word has length 58 [2022-10-15 22:09:35,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:35,956 INFO L495 AbstractCegarLoop]: Abstraction has 2638 states and 3780 transitions. [2022-10-15 22:09:35,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:35,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3780 transitions. [2022-10-15 22:09:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:09:35,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:35,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:35,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:09:35,959 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:35,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:35,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1991762129, now seen corresponding path program 1 times [2022-10-15 22:09:35,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:35,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543100120] [2022-10-15 22:09:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:35,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:36,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:36,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543100120] [2022-10-15 22:09:36,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543100120] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:36,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:36,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:36,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393859399] [2022-10-15 22:09:36,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:36,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:36,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:36,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:36,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:36,099 INFO L87 Difference]: Start difference. First operand 2638 states and 3780 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:36,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:36,775 INFO L93 Difference]: Finished difference Result 3960 states and 5812 transitions. [2022-10-15 22:09:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:36,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:09:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:36,796 INFO L225 Difference]: With dead ends: 3960 [2022-10-15 22:09:36,796 INFO L226 Difference]: Without dead ends: 3955 [2022-10-15 22:09:36,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:09:36,799 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1860 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:36,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 1292 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2022-10-15 22:09:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3421. [2022-10-15 22:09:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 3409 states have (on average 1.4661190965092403) internal successors, (4998), 3420 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 4998 transitions. [2022-10-15 22:09:37,047 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 4998 transitions. Word has length 59 [2022-10-15 22:09:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:37,048 INFO L495 AbstractCegarLoop]: Abstraction has 3421 states and 4998 transitions. [2022-10-15 22:09:37,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 4998 transitions. [2022-10-15 22:09:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:09:37,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:37,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:37,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:09:37,050 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:37,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:37,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1317670523, now seen corresponding path program 1 times [2022-10-15 22:09:37,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:37,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571919952] [2022-10-15 22:09:37,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:37,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:37,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571919952] [2022-10-15 22:09:37,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571919952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:37,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:37,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:37,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284416434] [2022-10-15 22:09:37,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:37,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:37,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:37,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:37,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:37,179 INFO L87 Difference]: Start difference. First operand 3421 states and 4998 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:38,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:38,015 INFO L93 Difference]: Finished difference Result 4086 states and 6006 transitions. [2022-10-15 22:09:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:09:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:38,029 INFO L225 Difference]: With dead ends: 4086 [2022-10-15 22:09:38,029 INFO L226 Difference]: Without dead ends: 4083 [2022-10-15 22:09:38,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:09:38,032 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1808 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:38,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 1343 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2022-10-15 22:09:38,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 3356. [2022-10-15 22:09:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 3345 states have (on average 1.4657698056801196) internal successors, (4903), 3355 states have internal predecessors, (4903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4903 transitions. [2022-10-15 22:09:38,272 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4903 transitions. Word has length 59 [2022-10-15 22:09:38,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:38,273 INFO L495 AbstractCegarLoop]: Abstraction has 3356 states and 4903 transitions. [2022-10-15 22:09:38,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4903 transitions. [2022-10-15 22:09:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:09:38,275 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:38,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:38,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:09:38,275 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:38,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:38,276 INFO L85 PathProgramCache]: Analyzing trace with hash -984160745, now seen corresponding path program 1 times [2022-10-15 22:09:38,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:38,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314462492] [2022-10-15 22:09:38,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:38,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:38,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:38,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314462492] [2022-10-15 22:09:38,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314462492] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:38,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:38,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:38,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977877889] [2022-10-15 22:09:38,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:38,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:38,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:38,411 INFO L87 Difference]: Start difference. First operand 3356 states and 4903 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:39,093 INFO L93 Difference]: Finished difference Result 3688 states and 5405 transitions. [2022-10-15 22:09:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:09:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:39,103 INFO L225 Difference]: With dead ends: 3688 [2022-10-15 22:09:39,104 INFO L226 Difference]: Without dead ends: 3513 [2022-10-15 22:09:39,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:39,106 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 968 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:39,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1656 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:39,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2022-10-15 22:09:39,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3511. [2022-10-15 22:09:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 3501 states have (on average 1.4672950585546987) internal successors, (5137), 3510 states have internal predecessors, (5137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5137 transitions. [2022-10-15 22:09:39,389 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5137 transitions. Word has length 60 [2022-10-15 22:09:39,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:39,390 INFO L495 AbstractCegarLoop]: Abstraction has 3511 states and 5137 transitions. [2022-10-15 22:09:39,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5137 transitions. [2022-10-15 22:09:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:09:39,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:39,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:39,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:09:39,393 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:39,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash 735853169, now seen corresponding path program 1 times [2022-10-15 22:09:39,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:39,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750171323] [2022-10-15 22:09:39,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:39,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:39,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:39,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750171323] [2022-10-15 22:09:39,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750171323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:39,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:39,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:39,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503795369] [2022-10-15 22:09:39,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:39,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:39,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:39,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:39,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:39,527 INFO L87 Difference]: Start difference. First operand 3511 states and 5137 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:40,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:40,300 INFO L93 Difference]: Finished difference Result 4307 states and 6357 transitions. [2022-10-15 22:09:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:40,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:09:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:40,314 INFO L225 Difference]: With dead ends: 4307 [2022-10-15 22:09:40,314 INFO L226 Difference]: Without dead ends: 4304 [2022-10-15 22:09:40,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:40,317 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 1031 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:40,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 2199 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2022-10-15 22:09:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 4166. [2022-10-15 22:09:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 4157 states have (on average 1.4765455857589609) internal successors, (6138), 4165 states have internal predecessors, (6138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 6138 transitions. [2022-10-15 22:09:40,644 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 6138 transitions. Word has length 60 [2022-10-15 22:09:40,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:40,644 INFO L495 AbstractCegarLoop]: Abstraction has 4166 states and 6138 transitions. [2022-10-15 22:09:40,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 6138 transitions. [2022-10-15 22:09:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:09:40,646 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:40,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:40,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:09:40,647 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:40,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:40,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1470963736, now seen corresponding path program 1 times [2022-10-15 22:09:40,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:40,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682458864] [2022-10-15 22:09:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:40,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:40,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682458864] [2022-10-15 22:09:40,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682458864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:40,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:40,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:40,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475999108] [2022-10-15 22:09:40,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:40,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:40,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:40,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:40,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:40,718 INFO L87 Difference]: Start difference. First operand 4166 states and 6138 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:41,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:41,257 INFO L93 Difference]: Finished difference Result 10810 states and 16178 transitions. [2022-10-15 22:09:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:41,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:09:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:41,274 INFO L225 Difference]: With dead ends: 10810 [2022-10-15 22:09:41,275 INFO L226 Difference]: Without dead ends: 6974 [2022-10-15 22:09:41,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:41,283 INFO L413 NwaCegarLoop]: 953 mSDtfsCounter, 431 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:41,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1486 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6974 states. [2022-10-15 22:09:41,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6974 to 6129. [2022-10-15 22:09:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6129 states, 6120 states have (on average 1.4782679738562092) internal successors, (9047), 6128 states have internal predecessors, (9047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6129 states to 6129 states and 9047 transitions. [2022-10-15 22:09:41,748 INFO L78 Accepts]: Start accepts. Automaton has 6129 states and 9047 transitions. Word has length 60 [2022-10-15 22:09:41,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:41,748 INFO L495 AbstractCegarLoop]: Abstraction has 6129 states and 9047 transitions. [2022-10-15 22:09:41,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6129 states and 9047 transitions. [2022-10-15 22:09:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:09:41,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:41,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:41,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:09:41,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1666673198, now seen corresponding path program 1 times [2022-10-15 22:09:41,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:41,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690446406] [2022-10-15 22:09:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:41,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:41,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690446406] [2022-10-15 22:09:41,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690446406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:41,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:41,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:41,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599978392] [2022-10-15 22:09:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:41,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:41,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:41,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:41,897 INFO L87 Difference]: Start difference. First operand 6129 states and 9047 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:42,647 INFO L93 Difference]: Finished difference Result 6373 states and 9407 transitions. [2022-10-15 22:09:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:42,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:09:42,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:42,669 INFO L225 Difference]: With dead ends: 6373 [2022-10-15 22:09:42,670 INFO L226 Difference]: Without dead ends: 6367 [2022-10-15 22:09:42,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:42,674 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 850 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:42,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 1449 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6367 states. [2022-10-15 22:09:43,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6367 to 6365. [2022-10-15 22:09:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6365 states, 6357 states have (on average 1.4766399244926853) internal successors, (9387), 6364 states have internal predecessors, (9387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6365 states to 6365 states and 9387 transitions. [2022-10-15 22:09:43,180 INFO L78 Accepts]: Start accepts. Automaton has 6365 states and 9387 transitions. Word has length 60 [2022-10-15 22:09:43,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:43,180 INFO L495 AbstractCegarLoop]: Abstraction has 6365 states and 9387 transitions. [2022-10-15 22:09:43,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6365 states and 9387 transitions. [2022-10-15 22:09:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:09:43,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:43,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:43,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:09:43,183 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:43,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:43,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1336612574, now seen corresponding path program 1 times [2022-10-15 22:09:43,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:43,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830839932] [2022-10-15 22:09:43,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:43,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:43,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:43,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830839932] [2022-10-15 22:09:43,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830839932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:43,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:43,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:43,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235221100] [2022-10-15 22:09:43,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:43,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:43,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:43,333 INFO L87 Difference]: Start difference. First operand 6365 states and 9387 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:44,156 INFO L93 Difference]: Finished difference Result 7994 states and 11820 transitions. [2022-10-15 22:09:44,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:44,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:09:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:44,172 INFO L225 Difference]: With dead ends: 7994 [2022-10-15 22:09:44,172 INFO L226 Difference]: Without dead ends: 5424 [2022-10-15 22:09:44,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:44,181 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 908 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:44,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 1673 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5424 states. [2022-10-15 22:09:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5424 to 4171. [2022-10-15 22:09:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4171 states, 4164 states have (on average 1.4550912584053795) internal successors, (6059), 4170 states have internal predecessors, (6059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 4171 states and 6059 transitions. [2022-10-15 22:09:44,702 INFO L78 Accepts]: Start accepts. Automaton has 4171 states and 6059 transitions. Word has length 61 [2022-10-15 22:09:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:44,702 INFO L495 AbstractCegarLoop]: Abstraction has 4171 states and 6059 transitions. [2022-10-15 22:09:44,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 6059 transitions. [2022-10-15 22:09:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:09:44,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:44,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:44,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:09:44,704 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:44,705 INFO L85 PathProgramCache]: Analyzing trace with hash -401377506, now seen corresponding path program 1 times [2022-10-15 22:09:44,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:44,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337075296] [2022-10-15 22:09:44,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:44,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:44,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337075296] [2022-10-15 22:09:44,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337075296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:44,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:44,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509487015] [2022-10-15 22:09:44,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:44,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:44,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:44,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:44,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:44,847 INFO L87 Difference]: Start difference. First operand 4171 states and 6059 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:45,760 INFO L93 Difference]: Finished difference Result 4391 states and 6379 transitions. [2022-10-15 22:09:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:45,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:09:45,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:45,769 INFO L225 Difference]: With dead ends: 4391 [2022-10-15 22:09:45,769 INFO L226 Difference]: Without dead ends: 4054 [2022-10-15 22:09:45,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:45,772 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 369 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 2444 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:45,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 2444 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:09:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4054 states. [2022-10-15 22:09:46,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4054 to 4051. [2022-10-15 22:09:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4051 states, 4045 states have (on average 1.4546353522867739) internal successors, (5884), 4050 states have internal predecessors, (5884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 5884 transitions. [2022-10-15 22:09:46,100 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 5884 transitions. Word has length 62 [2022-10-15 22:09:46,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:46,100 INFO L495 AbstractCegarLoop]: Abstraction has 4051 states and 5884 transitions. [2022-10-15 22:09:46,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 5884 transitions. [2022-10-15 22:09:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:09:46,111 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:46,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:46,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:09:46,112 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1710009833, now seen corresponding path program 1 times [2022-10-15 22:09:46,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:46,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317671049] [2022-10-15 22:09:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:46,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:46,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317671049] [2022-10-15 22:09:46,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317671049] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:46,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:46,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:46,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720225960] [2022-10-15 22:09:46,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:46,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:09:46,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:46,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:09:46,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:46,259 INFO L87 Difference]: Start difference. First operand 4051 states and 5884 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:46,861 INFO L93 Difference]: Finished difference Result 4271 states and 6202 transitions. [2022-10-15 22:09:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:09:46,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-15 22:09:46,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:46,868 INFO L225 Difference]: With dead ends: 4271 [2022-10-15 22:09:46,868 INFO L226 Difference]: Without dead ends: 4269 [2022-10-15 22:09:46,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:09:46,874 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 241 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:46,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1880 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:46,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2022-10-15 22:09:47,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 3871. [2022-10-15 22:09:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3871 states, 3867 states have (on average 1.4424618567364882) internal successors, (5578), 3870 states have internal predecessors, (5578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5578 transitions. [2022-10-15 22:09:47,238 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5578 transitions. Word has length 82 [2022-10-15 22:09:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:47,239 INFO L495 AbstractCegarLoop]: Abstraction has 3871 states and 5578 transitions. [2022-10-15 22:09:47,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5578 transitions. [2022-10-15 22:09:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:09:47,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:47,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:47,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:09:47,249 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:47,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:47,249 INFO L85 PathProgramCache]: Analyzing trace with hash 391569851, now seen corresponding path program 1 times [2022-10-15 22:09:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:47,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645306369] [2022-10-15 22:09:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:47,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:47,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645306369] [2022-10-15 22:09:47,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645306369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:47,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:47,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:47,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833993844] [2022-10-15 22:09:47,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:47,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:47,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:47,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:47,355 INFO L87 Difference]: Start difference. First operand 3871 states and 5578 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:47,773 INFO L93 Difference]: Finished difference Result 8578 states and 12379 transitions. [2022-10-15 22:09:47,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-15 22:09:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:47,779 INFO L225 Difference]: With dead ends: 8578 [2022-10-15 22:09:47,779 INFO L226 Difference]: Without dead ends: 5153 [2022-10-15 22:09:47,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:47,785 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 441 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:47,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1216 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-10-15 22:09:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 5151. [2022-10-15 22:09:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5147 states have (on average 1.397124538566155) internal successors, (7191), 5150 states have internal predecessors, (7191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 7191 transitions. [2022-10-15 22:09:48,318 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 7191 transitions. Word has length 82 [2022-10-15 22:09:48,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:48,319 INFO L495 AbstractCegarLoop]: Abstraction has 5151 states and 7191 transitions. [2022-10-15 22:09:48,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 7191 transitions. [2022-10-15 22:09:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:09:48,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:48,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:48,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:09:48,327 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1062003949, now seen corresponding path program 1 times [2022-10-15 22:09:48,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:48,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536042633] [2022-10-15 22:09:48,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:48,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:48,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536042633] [2022-10-15 22:09:48,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536042633] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:48,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:48,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957160551] [2022-10-15 22:09:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:48,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:48,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:48,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:48,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:48,513 INFO L87 Difference]: Start difference. First operand 5151 states and 7191 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:49,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:49,427 INFO L93 Difference]: Finished difference Result 5643 states and 7891 transitions. [2022-10-15 22:09:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:49,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:09:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:49,435 INFO L225 Difference]: With dead ends: 5643 [2022-10-15 22:09:49,436 INFO L226 Difference]: Without dead ends: 5641 [2022-10-15 22:09:49,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:49,438 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 801 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:49,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 1382 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-10-15 22:09:49,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 4769. [2022-10-15 22:09:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4769 states, 4765 states have (on average 1.3907660020986359) internal successors, (6627), 4768 states have internal predecessors, (6627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 4769 states and 6627 transitions. [2022-10-15 22:09:49,965 INFO L78 Accepts]: Start accepts. Automaton has 4769 states and 6627 transitions. Word has length 83 [2022-10-15 22:09:49,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:49,965 INFO L495 AbstractCegarLoop]: Abstraction has 4769 states and 6627 transitions. [2022-10-15 22:09:49,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 6627 transitions. [2022-10-15 22:09:49,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:09:49,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:49,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:49,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:09:49,972 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash -124014906, now seen corresponding path program 1 times [2022-10-15 22:09:49,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:49,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552769019] [2022-10-15 22:09:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:49,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:50,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:50,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552769019] [2022-10-15 22:09:50,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552769019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:50,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:50,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519868321] [2022-10-15 22:09:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:50,142 INFO L87 Difference]: Start difference. First operand 4769 states and 6627 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:50,829 INFO L93 Difference]: Finished difference Result 4991 states and 6939 transitions. [2022-10-15 22:09:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:50,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:09:50,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:50,833 INFO L225 Difference]: With dead ends: 4991 [2022-10-15 22:09:50,833 INFO L226 Difference]: Without dead ends: 4263 [2022-10-15 22:09:50,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:50,835 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 806 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:50,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 1369 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:50,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2022-10-15 22:09:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 4041. [2022-10-15 22:09:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4041 states, 4037 states have (on average 1.3995541243497647) internal successors, (5650), 4040 states have internal predecessors, (5650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 5650 transitions. [2022-10-15 22:09:51,118 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 5650 transitions. Word has length 84 [2022-10-15 22:09:51,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:51,118 INFO L495 AbstractCegarLoop]: Abstraction has 4041 states and 5650 transitions. [2022-10-15 22:09:51,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 5650 transitions. [2022-10-15 22:09:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:09:51,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:51,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:51,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:09:51,123 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1653034361, now seen corresponding path program 1 times [2022-10-15 22:09:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:51,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006692739] [2022-10-15 22:09:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:51,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:51,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006692739] [2022-10-15 22:09:51,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006692739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:51,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:51,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:51,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146971899] [2022-10-15 22:09:51,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:51,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:51,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:51,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:51,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:51,304 INFO L87 Difference]: Start difference. First operand 4041 states and 5650 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:51,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:51,985 INFO L93 Difference]: Finished difference Result 4263 states and 5966 transitions. [2022-10-15 22:09:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:51,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-15 22:09:51,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:51,990 INFO L225 Difference]: With dead ends: 4263 [2022-10-15 22:09:51,990 INFO L226 Difference]: Without dead ends: 4261 [2022-10-15 22:09:51,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:51,992 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 672 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:51,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 1282 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2022-10-15 22:09:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 4259. [2022-10-15 22:09:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4259 states, 4255 states have (on average 1.398354876615746) internal successors, (5950), 4258 states have internal predecessors, (5950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 4259 states and 5950 transitions. [2022-10-15 22:09:52,315 INFO L78 Accepts]: Start accepts. Automaton has 4259 states and 5950 transitions. Word has length 84 [2022-10-15 22:09:52,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:52,315 INFO L495 AbstractCegarLoop]: Abstraction has 4259 states and 5950 transitions. [2022-10-15 22:09:52,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4259 states and 5950 transitions. [2022-10-15 22:09:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:09:52,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:52,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:52,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:09:52,320 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -295542060, now seen corresponding path program 1 times [2022-10-15 22:09:52,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:52,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508485785] [2022-10-15 22:09:52,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:52,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:52,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:52,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508485785] [2022-10-15 22:09:52,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508485785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:52,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:52,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868181342] [2022-10-15 22:09:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:52,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:52,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:52,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:52,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:52,488 INFO L87 Difference]: Start difference. First operand 4259 states and 5950 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:53,074 INFO L93 Difference]: Finished difference Result 5610 states and 7896 transitions. [2022-10-15 22:09:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:53,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 22:09:53,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:53,078 INFO L225 Difference]: With dead ends: 5610 [2022-10-15 22:09:53,078 INFO L226 Difference]: Without dead ends: 3210 [2022-10-15 22:09:53,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:53,082 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 692 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:53,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1115 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3210 states. [2022-10-15 22:09:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3210 to 1978. [2022-10-15 22:09:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.368234699038948) internal successors, (2705), 1977 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2705 transitions. [2022-10-15 22:09:53,345 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2705 transitions. Word has length 85 [2022-10-15 22:09:53,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:53,345 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 2705 transitions. [2022-10-15 22:09:53,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2705 transitions. [2022-10-15 22:09:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:09:53,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:53,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:53,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:09:53,349 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:53,349 INFO L85 PathProgramCache]: Analyzing trace with hash -93125917, now seen corresponding path program 1 times [2022-10-15 22:09:53,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:53,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584123579] [2022-10-15 22:09:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:53,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:53,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584123579] [2022-10-15 22:09:53,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584123579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:53,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:53,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:53,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468393539] [2022-10-15 22:09:53,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:53,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:53,541 INFO L87 Difference]: Start difference. First operand 1978 states and 2705 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,049 INFO L93 Difference]: Finished difference Result 2471 states and 3405 transitions. [2022-10-15 22:09:54,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:54,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 22:09:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,052 INFO L225 Difference]: With dead ends: 2471 [2022-10-15 22:09:54,052 INFO L226 Difference]: Without dead ends: 2075 [2022-10-15 22:09:54,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:54,054 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 299 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1449 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:09:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2022-10-15 22:09:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 1779. [2022-10-15 22:09:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1778 states have (on average 1.361079865016873) internal successors, (2420), 1778 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2420 transitions. [2022-10-15 22:09:54,203 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2420 transitions. Word has length 87 [2022-10-15 22:09:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:54,204 INFO L495 AbstractCegarLoop]: Abstraction has 1779 states and 2420 transitions. [2022-10-15 22:09:54,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2420 transitions. [2022-10-15 22:09:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:09:54,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:54,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:54,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:09:54,212 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1725335886, now seen corresponding path program 1 times [2022-10-15 22:09:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:54,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321277004] [2022-10-15 22:09:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:54,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:54,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321277004] [2022-10-15 22:09:54,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321277004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:54,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:54,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:09:54,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827901666] [2022-10-15 22:09:54,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:54,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:54,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:54,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:54,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:54,375 INFO L87 Difference]: Start difference. First operand 1779 states and 2420 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:54,919 INFO L93 Difference]: Finished difference Result 2284 states and 3132 transitions. [2022-10-15 22:09:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-15 22:09:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:54,923 INFO L225 Difference]: With dead ends: 2284 [2022-10-15 22:09:54,923 INFO L226 Difference]: Without dead ends: 1975 [2022-10-15 22:09:54,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:54,924 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 304 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:54,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1626 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:54,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-10-15 22:09:55,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1877. [2022-10-15 22:09:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1876 states have (on average 1.3619402985074627) internal successors, (2555), 1876 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2555 transitions. [2022-10-15 22:09:55,155 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2555 transitions. Word has length 87 [2022-10-15 22:09:55,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:55,155 INFO L495 AbstractCegarLoop]: Abstraction has 1877 states and 2555 transitions. [2022-10-15 22:09:55,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2555 transitions. [2022-10-15 22:09:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-15 22:09:55,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:55,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:55,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:09:55,161 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:55,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:55,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1882228956, now seen corresponding path program 1 times [2022-10-15 22:09:55,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:55,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835948008] [2022-10-15 22:09:55,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:55,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835948008] [2022-10-15 22:09:55,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835948008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:55,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:55,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:09:55,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208378928] [2022-10-15 22:09:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:55,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:55,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:09:55,306 INFO L87 Difference]: Start difference. First operand 1877 states and 2555 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:56,365 INFO L93 Difference]: Finished difference Result 6222 states and 8485 transitions. [2022-10-15 22:09:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:09:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-10-15 22:09:56,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:56,390 INFO L225 Difference]: With dead ends: 6222 [2022-10-15 22:09:56,390 INFO L226 Difference]: Without dead ends: 4772 [2022-10-15 22:09:56,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:09:56,392 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 867 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:56,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 806 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2022-10-15 22:09:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 2391. [2022-10-15 22:09:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2391 states, 2390 states have (on average 1.3188284518828453) internal successors, (3152), 2390 states have internal predecessors, (3152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3152 transitions. [2022-10-15 22:09:56,643 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3152 transitions. Word has length 109 [2022-10-15 22:09:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:56,644 INFO L495 AbstractCegarLoop]: Abstraction has 2391 states and 3152 transitions. [2022-10-15 22:09:56,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3152 transitions. [2022-10-15 22:09:56,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-15 22:09:56,654 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:56,655 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:56,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:09:56,655 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:56,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2011535168, now seen corresponding path program 1 times [2022-10-15 22:09:56,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:56,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107539445] [2022-10-15 22:09:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:56,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:56,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107539445] [2022-10-15 22:09:56,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107539445] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:09:56,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119117694] [2022-10-15 22:09:56,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:56,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:09:56,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:09:56,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:09:56,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 22:09:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:57,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:09:57,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:09:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:09:57,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:09:57,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119117694] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:57,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:09:57,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:09:57,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674730829] [2022-10-15 22:09:57,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:57,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:09:57,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:57,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:09:57,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:09:57,164 INFO L87 Difference]: Start difference. First operand 2391 states and 3152 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:58,109 INFO L93 Difference]: Finished difference Result 6774 states and 9012 transitions. [2022-10-15 22:09:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:09:58,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-10-15 22:09:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:58,114 INFO L225 Difference]: With dead ends: 6774 [2022-10-15 22:09:58,114 INFO L226 Difference]: Without dead ends: 4496 [2022-10-15 22:09:58,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:09:58,117 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 1356 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:58,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 363 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:09:58,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4496 states. [2022-10-15 22:09:58,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4496 to 4465. [2022-10-15 22:09:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 4464 states have (on average 1.3223566308243728) internal successors, (5903), 4464 states have internal predecessors, (5903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 5903 transitions. [2022-10-15 22:09:58,699 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 5903 transitions. Word has length 110 [2022-10-15 22:09:58,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:58,699 INFO L495 AbstractCegarLoop]: Abstraction has 4465 states and 5903 transitions. [2022-10-15 22:09:58,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 5903 transitions. [2022-10-15 22:09:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-15 22:09:58,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:58,707 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:58,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-15 22:09:58,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:09:58,923 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:09:58,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash -858935784, now seen corresponding path program 1 times [2022-10-15 22:09:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:58,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435838911] [2022-10-15 22:09:58,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:09:58,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:58,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435838911] [2022-10-15 22:09:58,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435838911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:58,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:58,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:09:58,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281566835] [2022-10-15 22:09:58,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:58,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:59,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:59,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:59,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:59,000 INFO L87 Difference]: Start difference. First operand 4465 states and 5903 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:59,621 INFO L93 Difference]: Finished difference Result 7248 states and 9590 transitions. [2022-10-15 22:09:59,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:59,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-10-15 22:09:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:59,626 INFO L225 Difference]: With dead ends: 7248 [2022-10-15 22:09:59,626 INFO L226 Difference]: Without dead ends: 2859 [2022-10-15 22:09:59,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:59,633 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 245 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:59,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 662 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:09:59,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-10-15 22:10:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2859. [2022-10-15 22:10:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2859 states, 2858 states have (on average 1.3180545836249125) internal successors, (3767), 2858 states have internal predecessors, (3767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 3767 transitions. [2022-10-15 22:10:00,066 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 3767 transitions. Word has length 111 [2022-10-15 22:10:00,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:00,066 INFO L495 AbstractCegarLoop]: Abstraction has 2859 states and 3767 transitions. [2022-10-15 22:10:00,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3767 transitions. [2022-10-15 22:10:00,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-15 22:10:00,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:00,070 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:00,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:10:00,071 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:10:00,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:00,071 INFO L85 PathProgramCache]: Analyzing trace with hash 139428681, now seen corresponding path program 1 times [2022-10-15 22:10:00,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:00,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750659212] [2022-10-15 22:10:00,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:00,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:00,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750659212] [2022-10-15 22:10:00,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750659212] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:10:00,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669164884] [2022-10-15 22:10:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:00,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:10:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:00,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:10:00,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 22:10:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:10:00,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:10:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:10:00,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:10:00,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669164884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:00,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:10:00,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:10:00,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556961804] [2022-10-15 22:10:00,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:00,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:00,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:00,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:00,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:10:00,485 INFO L87 Difference]: Start difference. First operand 2859 states and 3767 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:01,251 INFO L93 Difference]: Finished difference Result 6349 states and 8385 transitions. [2022-10-15 22:10:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-10-15 22:10:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:01,256 INFO L225 Difference]: With dead ends: 6349 [2022-10-15 22:10:01,256 INFO L226 Difference]: Without dead ends: 3541 [2022-10-15 22:10:01,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:01,259 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 553 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:01,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 247 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2022-10-15 22:10:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3530. [2022-10-15 22:10:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3530 states, 3529 states have (on average 1.3102862000566733) internal successors, (4624), 3529 states have internal predecessors, (4624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3530 states and 4624 transitions. [2022-10-15 22:10:01,859 INFO L78 Accepts]: Start accepts. Automaton has 3530 states and 4624 transitions. Word has length 112 [2022-10-15 22:10:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:01,859 INFO L495 AbstractCegarLoop]: Abstraction has 3530 states and 4624 transitions. [2022-10-15 22:10:01,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 4624 transitions. [2022-10-15 22:10:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-15 22:10:01,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:01,865 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:01,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-15 22:10:02,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-10-15 22:10:02,080 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:10:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:02,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1811955367, now seen corresponding path program 1 times [2022-10-15 22:10:02,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:02,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866573653] [2022-10-15 22:10:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:02,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:02,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866573653] [2022-10-15 22:10:02,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866573653] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:10:02,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698018335] [2022-10-15 22:10:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:02,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:10:02,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:02,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:10:02,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 22:10:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:02,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 22:10:02,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:10:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 22:10:02,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:10:02,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698018335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:02,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:10:02,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-15 22:10:02,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360733551] [2022-10-15 22:10:02,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:02,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:02,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:02,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:10:02,509 INFO L87 Difference]: Start difference. First operand 3530 states and 4624 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:03,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:03,549 INFO L93 Difference]: Finished difference Result 8200 states and 10773 transitions. [2022-10-15 22:10:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:03,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-15 22:10:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:03,555 INFO L225 Difference]: With dead ends: 8200 [2022-10-15 22:10:03,555 INFO L226 Difference]: Without dead ends: 4714 [2022-10-15 22:10:03,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:03,558 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 521 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:03,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 244 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2022-10-15 22:10:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 4695. [2022-10-15 22:10:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 4694 states have (on average 1.3057094162760972) internal successors, (6129), 4694 states have internal predecessors, (6129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 6129 transitions. [2022-10-15 22:10:04,382 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 6129 transitions. Word has length 113 [2022-10-15 22:10:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:04,382 INFO L495 AbstractCegarLoop]: Abstraction has 4695 states and 6129 transitions. [2022-10-15 22:10:04,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 6129 transitions. [2022-10-15 22:10:04,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-15 22:10:04,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:04,386 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:04,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 22:10:04,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:10:04,587 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 239 more)] === [2022-10-15 22:10:04,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:04,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1996891584, now seen corresponding path program 1 times [2022-10-15 22:10:04,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:04,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664007269] [2022-10-15 22:10:04,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:04,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:04,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:04,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664007269] [2022-10-15 22:10:04,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664007269] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 22:10:04,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952172271] [2022-10-15 22:10:04,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:04,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 22:10:04,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:10:04,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 22:10:04,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 22:10:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:04,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 22:10:04,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 22:10:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 22:10:05,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 22:10:05,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952172271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:05,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 22:10:05,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-15 22:10:05,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728852597] [2022-10-15 22:10:05,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:05,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:10:05,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:05,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:10:05,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-15 22:10:05,205 INFO L87 Difference]: Start difference. First operand 4695 states and 6129 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:08,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:08,661 INFO L93 Difference]: Finished difference Result 18837 states and 24531 transitions. [2022-10-15 22:10:08,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 22:10:08,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-10-15 22:10:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:08,677 INFO L225 Difference]: With dead ends: 18837 [2022-10-15 22:10:08,678 INFO L226 Difference]: Without dead ends: 14411 [2022-10-15 22:10:08,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-15 22:10:08,684 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 1270 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:08,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 452 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:10:08,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14411 states.